Detection of endometrial pathology using saline infusion sonography versus gel instillation sonography: a prospective cohort study KU Leuven
OBJECTIVE: To compare saline infusion sonography (SIS) with gel instillation sonography (GIS) in terms of feasibility and diagnostic accuracy. DESIGN: Prospective cohort study. SETTING: Leuven University bleeding clinic. PATIENT(S): A total of 804 patients: two consecutive cohorts of 402 women undergoing SIS or GIS. INTERVENTION(S): Vaginal ultrasound (n = 804) followed by SIS (n = 402) or GIS (n = 402); office hysteroscopy in 685 patients, and ...